Flowmaster introduces our Outlaw Axle-back exhaust system for the 2024-2026 Ford Mustang GT with the 5.0-liter engine or EcoBoost 2.3-liter engine and the factory performance exhaust option. This system uses the Outlaw style mufflers for an aggressive exhaust tone and increased performance. Maximum dyno gains of up to 17 hp and 17 lb-ft were measured at the rear wheels. 3.00-inch mandrel bent 409 stainless steel tubing is used to maximize exhaust flow and durability. Quad 4.00-inch black ceramic coated tips are used to add a custom look to this iconic vehicle. All of the necessary hardware is included and factory mounting locations are used for an easy installation. Fits both coupes and convertibles. Backed by Flowmaster's Lifetime Limited Warranty.
| Brand |
Flowmaster |
| California Proposition 65 |
Yes |
| California Proposition 65 Chemical Name |
Nickel (Metallic) |
| California Proposition 65 Chemical Name |
Chromium (hexavalent compounds) |
| CARB (California) Compliant |
Yes |
| Catalytic Converter Included |
No |
| 2874 |
0 |
| Category |
Exhaust |
| 3728 |
Flat Band |
| 1882 |
Yes |
| Emission Code |
5 |
| Exhaust Series |
Outlaw |
| 11205 |
Black |
| 9874 |
Welded |
| 9876 |
Angled |
| 1162 |
4.00 |
| 9877 |
Angle Cut |
| 1163 |
Black Ceramic Coating |
| 9881 |
No |
| 10104 |
5.25 |
| 1164 |
304 Stainless Steel |
| 1161 |
2 |
| 10980 |
Round |
| 9875 |
Double Wall |
| 9870 |
Dual Out Rear |
| Finish |
Painted |
| 353 |
No |
| 3390 |
Performance |
| 4364 |
Yes |
| 596 |
Clamp-On |
| 9871 |
3.00 |
| Mount Type |
Uses Factory Hangers |
| 92 |
No |
| 11021 |
4.00 |
| 11022 |
6.50 |
| 11023 |
4.00 |
| 11064 |
Reflection |
| 11048 |
4.00 |
| 11049 |
6.50 |
| 11050 |
4.00 |
| 11073 |
Reflection |
| 4371 |
4.00 |
| 9884 |
4.00 |
| 1892 |
6.50 |
| 4372 |
409 Stainless Steel |
| 4373 |
Round |
| Muffler Color |
Black |
| 9882 |
Black High-Temperature Paint Finish |
| 4367 |
No |
| 4368 |
No |
| Muffler Included |
Yes |
| 9962 |
Slip-Fit |
| 4365 |
3.00 |
| Muffler Inlet Location |
Center |
| 4366 |
3.13 |
| Muffler Outlet Diameter |
3.00 |
| Muffler Outlet Location |
Center |
| 4375 |
1 |
| Muffler Overall Length |
6.50 |
| Muffler Part Number |
Kit Only |
| 4374 |
2 |
| Muffler Series |
Outlaw |
| 1174 |
Reflection |
| part type |
Exhaust System |
| 3530 |
409 Stainless Steel |
| Product Type |
Exhaust System |
| Sound Level |
Aggressive |
| 4377 |
No |
| Sub Category |
Exhaust and Tail Pipes |
| 4369 |
3.00 |
| 4376 |
2 |
| Tail Pipe Quantity |
Dual |
| 4370 |
No |
| Tip Logo |
Embossed |
| Type |
Axle-back |
| Valve Actuator Included |
No, Reuse OEM |
| 6014 |
Yes |
| 2126 |
OEM-Style Valves |
| Warning |
California Proposition 65 |
| Pipe Color |
Silver |
| 9885 |
4.00 |
| Brand |
Flowmaster |
| California Proposition 65 |
Yes |
| California Proposition 65 Chemical Name |
Nickel (Metallic) |
| California Proposition 65 Chemical Name |
Chromium (hexavalent compounds) |
| CARB (California) Compliant |
Yes |
| Catalytic Converter Included |
No |
| 2874 |
0 |
| Category |
Exhaust |
| 3728 |
Flat Band |
| 1882 |
Yes |
| Emission Code |
5 |
| Exhaust Series |
Outlaw |
| 11205 |
Black |
| 9874 |
Welded |
| 9876 |
Angled |
| 1162 |
4.00 |
| 9877 |
Angle Cut |
| 1163 |
Black Ceramic Coating |
| 9881 |
No |
| 10104 |
5.25 |
| 1164 |
304 Stainless Steel |
| 1161 |
2 |
| 10980 |
Round |
| 9875 |
Double Wall |
| 9870 |
Dual Out Rear |
| Finish |
Painted |
| 353 |
No |
| 3390 |
Performance |
| 4364 |
Yes |
| 596 |
Clamp-On |
| 9871 |
3.00 |
| Mount Type |
Uses Factory Hangers |
| 92 |
No |
| 11021 |
4.00 |
| 11022 |
6.50 |
| 11023 |
4.00 |
| 11064 |
Reflection |
| 11048 |
4.00 |
| 11049 |
6.50 |
| 11050 |
4.00 |
| 11073 |
Reflection |
| 4371 |
4.00 |
| 9884 |
4.00 |
| 1892 |
6.50 |
| 4372 |
409 Stainless Steel |
| 4373 |
Round |
| Muffler Color |
Black |
| 9882 |
Black High-Temperature Paint Finish |
| 4367 |
No |
| 4368 |
No |
| Muffler Included |
Yes |
| 9962 |
Slip-Fit |
| 4365 |
3.00 |
| Muffler Inlet Location |
Center |
| 4366 |
3.13 |
| Muffler Outlet Diameter |
3.00 |
| Muffler Outlet Location |
Center |
| 4375 |
1 |
| Muffler Overall Length |
6.50 |
| Muffler Part Number |
Kit Only |
| 4374 |
2 |
| Muffler Series |
Outlaw |
| 1174 |
Reflection |
| part type |
Exhaust System |
| 3530 |
409 Stainless Steel |
| Product Type |
Exhaust System |
| Sound Level |
Aggressive |
| 4377 |
No |
| Sub Category |
Exhaust and Tail Pipes |
| 4369 |
3.00 |
| 4376 |
2 |
| Tail Pipe Quantity |
Dual |
| 4370 |
No |
| Tip Logo |
Embossed |
| Type |
Axle-back |
| Valve Actuator Included |
No, Reuse OEM |
| 6014 |
Yes |
| 2126 |
OEM-Style Valves |
| Warning |
California Proposition 65 |
| Pipe Color |
Silver |
| 9885 |
4.00 |
| Description_ABR |
SYS 24-26 MU |
| Description_SHO |
SYS 24-26 MUSTANG 2. |
| Description_INV |
24-26 MUSTANG 2.3l/5.0L OTL-AB-W/VALVES |
| Description_DES |
Flowmaster Outlaw Axle-Back Exhaust System |
| Description_EXT |
Fits 2024-2026 Ford Mustang GT 5.0-liter and EcoBoost 2.3-liter, Outlaw Axle-Back 3.0-inch Stainless Steel Exhaust System, 4.0-inch Black Quad Tips with Valves |
| Description_MKT |
Flowmaster introduces our Outlaw Axle-back exhaust system for the 2024-2026 Ford Mustang GT with the 5.0-liter engine or EcoBoost 2.3-liter engine and the factory performance exhaust option. This system uses the Outlaw style mufflers for an aggressive exhaust tone and increased performance. Maximum dyno gains of up to 17 hp and 17 lb-ft were measured at the rear wheels. 3.00-inch mandrel bent 409 stainless steel tubing is used to maximize exhaust flow and durability. Quad 4.00-inch black ceramic coated tips are used to add a custom look to this iconic vehicle. All of the necessary hardware is included and factory mounting locations are used for an easy installation. Fits both coupes and convertibles. Backed by Flowmaster's Lifetime Limited Warranty. |
| Description_FAB |
Max increases of up to 17 hp and 17 lb-ft over the stock exhaust at the rear wheels |
| Description_FAB |
Outlaw series performance muffler offers a deep powerful sound and increased performance |
| Description_FAB |
409 stainless steel construction delivers extra durability and improved long-term corrosion resistance |
| Description_FAB |
Uses factory hanger locations for easy installation |
| Description_FAB |
3.00-inch 16-gauge mandrel bent stainless steel tubing helps maintain maximum exhaust flow for better power |
| Description_FAB |
Includes all necessary hardware for an at home installation |
| Description_FAB |
Quad 4.00-inch black ceramic coated stainless steel tips add a custom look |
| Description_FAB |
Lifetime Limited Warranty |
| Description_ABR |
SYS 24-26 MU |
| Description_SHO |
SYS 24-26 MUSTANG 2. |
| Description_INV |
24-25 MUSTANG 2.3l/5.0L OTL-AB-W/VALVES |
| Description_DES |
Flowmaster Outlaw Axle-Back Exhaust System |
| Description_EXT |
Fits 2024-2026 Ford Mustang GT 5.0-liter and EcoBoost 2.3-liter, Outlaw Axle-Back 3.0-inch Stainless Steel Exhaust System, 4.0-inch Black Quad Tips with Valves |
| Description_MKT |
Flowmaster introduces our Outlaw Axle-back exhaust system for the 2024-2026 Ford Mustang GT with the 5.0-liter engine or EcoBoost 2.3-liter engine and the factory performance exhaust option. This system uses the Outlaw style mufflers for an aggressive exhaust tone and increased performance. Maximum dyno gains of up to 17 hp and 17 lb-ft were measured at the rear wheels. 3.00-inch mandrel bent 409 stainless steel tubing is used to maximize exhaust flow and durability. Quad 4.00-inch black ceramic coated tips are used to add a custom look to this iconic vehicle. All of the necessary hardware is included and factory mounting locations are used for an easy installation. Fits both coupes and convertibles. Backed by Flowmaster's Lifetime Limited Warranty. |
| Description_FAB |
Max increases of up to 17 hp and 17 lb-ft over the stock exhaust at the rear wheels |
| Description_FAB |
Outlaw series performance muffler offers a deep powerful sound and increased performance |
| Description_FAB |
409 stainless steel construction delivers extra durability and improved long-term corrosion resistance |
| Description_FAB |
Uses factory hanger locations for easy installation |
| Description_FAB |
3.00-inch 16-gauge mandrel bent stainless steel tubing helps maintain maximum exhaust flow for better power |
| Description_FAB |
Includes all necessary hardware for an at home installation |
| Description_FAB |
Quad 4.00-inch black ceramic coated stainless steel tips add a custom look |
| Description_FAB |
Lifetime Limited Warranty |
| Year |
Make |
Model |
Submodel |
Notes |
| 2024 |
Ford |
Mustang |
Dark Horse |
Black Ceramic Tip Finish, Fits models with factory valved exhaust only,Black Ceramic Tip Finish, Fits models with factory valved exhaust only,Black Ceramic Tip Finish, Fits models with factory valved exhaust only |
| 2025 |
Ford |
Mustang |
Dark Horse |
Black Ceramic Tip Finish, Fits models with factory valved exhaust only,Black Ceramic Tip Finish, Fits models with factory valved exhaust only,Black Ceramic Tip Finish, Fits models with factory valved exhaust only |
| 2026 |
Ford |
Mustang |
Dark Horse |
Black Ceramic Tip Finish, Fits models with factory valved exhaust only,Black Ceramic Tip Finish, Fits models with factory valved exhaust only,Black Ceramic Tip Finish, Fits models with factory valved exhaust only |
| 2024 |
Ford |
Mustang |
Dark Horse Premium |
Black Ceramic Tip Finish, Fits models with factory valved exhaust only,Black Ceramic Tip Finish, Fits models with factory valved exhaust only |
| 2025 |
Ford |
Mustang |
Dark Horse Premium |
Black Ceramic Tip Finish, Fits models with factory valved exhaust only,Black Ceramic Tip Finish, Fits models with factory valved exhaust only |
| 2024 |
Ford |
Mustang |
EcoBoost |
Black Ceramic Tip Finish, Fits models with factory valved exhaust only,Black Ceramic Tip Finish, Fits models with factory valved exhaust only,Black Ceramic Tip Finish, Fits models with factory valved exhaust only |
| 2025 |
Ford |
Mustang |
EcoBoost |
Black Ceramic Tip Finish, Fits models with factory valved exhaust only,Black Ceramic Tip Finish, Fits models with factory valved exhaust only,Black Ceramic Tip Finish, Fits models with factory valved exhaust only |
| 2026 |
Ford |
Mustang |
EcoBoost |
Black Ceramic Tip Finish, Fits models with factory valved exhaust only,Black Ceramic Tip Finish, Fits models with factory valved exhaust only,Black Ceramic Tip Finish, Fits models with factory valved exhaust only |
| 2024 |
Ford |
Mustang |
EcoBoost Premium |
Black Ceramic Tip Finish, Fits models with factory valved exhaust only,Black Ceramic Tip Finish, Fits models with factory valved exhaust only,Black Ceramic Tip Finish, Fits models with factory valved exhaust only |
| 2025 |
Ford |
Mustang |
EcoBoost Premium |
Black Ceramic Tip Finish, Fits models with factory valved exhaust only,Black Ceramic Tip Finish, Fits models with factory valved exhaust only,Black Ceramic Tip Finish, Fits models with factory valved exhaust only |
| 2026 |
Ford |
Mustang |
EcoBoost Premium |
Black Ceramic Tip Finish, Fits models with factory valved exhaust only,Black Ceramic Tip Finish, Fits models with factory valved exhaust only,Black Ceramic Tip Finish, Fits models with factory valved exhaust only |
| 2024 |
Ford |
Mustang |
GT |
Black Ceramic Tip Finish, Fits models with factory valved exhaust only,Black Ceramic Tip Finish, Fits models with factory valved exhaust only,Black Ceramic Tip Finish, Fits models with factory valved exhaust only |
| 2025 |
Ford |
Mustang |
GT |
Black Ceramic Tip Finish, Fits models with factory valved exhaust only,Black Ceramic Tip Finish, Fits models with factory valved exhaust only,Black Ceramic Tip Finish, Fits models with factory valved exhaust only |
| 2026 |
Ford |
Mustang |
GT |
Black Ceramic Tip Finish, Fits models with factory valved exhaust only,Black Ceramic Tip Finish, Fits models with factory valved exhaust only,Black Ceramic Tip Finish, Fits models with factory valved exhaust only |
| 2024 |
Ford |
Mustang |
GT Premium |
Black Ceramic Tip Finish, Fits models with factory valved exhaust only,Black Ceramic Tip Finish, Fits models with factory valved exhaust only,Black Ceramic Tip Finish, Fits models with factory valved exhaust only |
| 2025 |
Ford |
Mustang |
GT Premium |
Black Ceramic Tip Finish, Fits models with factory valved exhaust only,Black Ceramic Tip Finish, Fits models with factory valved exhaust only,Black Ceramic Tip Finish, Fits models with factory valved exhaust only |
| 2026 |
Ford |
Mustang |
GT Premium |
Black Ceramic Tip Finish, Fits models with factory valved exhaust only,Black Ceramic Tip Finish, Fits models with factory valved exhaust only,Black Ceramic Tip Finish, Fits models with factory valved exhaust only |
